Regenerate client from commit 53a5665 of spec repo (#636)

Co-authored-by: ci.datadog-api-spec <[email protected]>
Co-authored-by: api-clients-generation-pipeline[bot] <54105614+api-clients-generation-pipeline[bot]@users.noreply.github.com>

Author: api-clients-generation-pipeline[bot]

.apigentools-info

@@ -4,13 +4,13 @@
     "spec_versions": {
         "v1": {
             "apigentools_version": "1.5.1.dev2",
-            "regenerated": "2021-10-25 08:34:02.719701",
-            "spec_repo_commit": "d3a053a"
+            "regenerated": "2021-10-25 10:55:45.031709",
+            "spec_repo_commit": "53a5665"
         },
         "v2": {
             "apigentools_version": "1.5.1.dev2",
-            "regenerated": "2021-10-25 08:34:45.321798",
-            "spec_repo_commit": "d3a053a"
+            "regenerated": "2021-10-25 10:56:18.484694",
+            "spec_repo_commit": "53a5665"
         }
     }
 }